Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Four-row tapered roller bearings -- Four-row tapered roller bearings, TQO design SKF BT4B 328374/HA1

BT4B 328374/HA1

Design

Design variant/feature

TQO/GWI

Dimensions

d		420	mm
D		620	mm
B		355	mm
T		355	mm
d₁	≈	469	mm
D₁	≈	553	mm
r_1,2	min.	2	mm
r_3,4	min.	5	mm

Calculation data

Basic dynamic load rating	C	6440	kN
Basic static load rating	C₀	14600	kN
Fatigue load limit	P_u	1120	kN
Comparative radial load rating	C_F	1700	kN
Comparative axial load rating	C_Fa	262	kN
Thrust factor	K	1.87
Calculation factor	e	0.31
Calculation factor	Y₁	2.2
Calculation factor	Y₂	3.3
Calculation factor	Y₀	2.2

Mass

Mass bearing

375

Model Number: BT4B 328374/HA1
Inner Diameter：420mm Outer Diameter：620mm Width：-mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Roller bearings Tapered roller bearings Four-row tapered roller bearings
Details： Four-row tapered roller bearings Four-row tapered roller bearings, TQO design
Update date：2025-12-09
Application:Air,hydraulic cylinder buffer,Reflective Materials Industrial fabrics,Leather Products,Hydraulic Couplings,special broaching machine,rehabilitation training equipment,intermediate,Machine tool accessories,Hair styling device,Individual Wire
Similar models:BT4B 328374/HA1
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BD-23030-2CS5K/VT143-H 3030 E	135	225	56	Bearings, units and housings
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6316	80	170	39	Bearings, units and housings
7312 BECBJ	60	130	31	Bearings, units and housings
PCZ 1612 E	25.4	28.575	19.05	Bearings, units and housings
PWKRE 62.2RS	-	62	80	Bearings, units and housings
RLS 18	57.15	114.3	22.225	Bearings, units and housings
SAA 40 TXE-2LS	40	-	28	Bearings, units and housings
SAL 60 ES-2RS	60	-	44	Bearings, units and housings
SNW 122x3.11/16	93.6625	145.3896	110.1852	Bearings, units and housings
TU 15/16 TF	23.812	-	-	Bearings, units and housings

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